US4147270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Master cylinder reservoir
Assignee: Old Carco LLC
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Filing: 1977-03-18
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Granted: 1979-04-03
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Expires: 1997-03-18
Abstract
Abstract Master cylinder reservoir comprising a housing having two adjacent reservoir sections separated by a transversely extending double wall partition having windows offset laterally from one another with a space between the walls.
Inventors
- 👤 Thomas A. Brandon, Jr.
- 👤 Norman H. Beyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:10
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/26; Y; Y10; Y10T; Y10T137/00; Y10T137/4673; Y10T137/4841
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
162 words
A reservoir for the master cylinder of a vehicle hydraulic brake system, said reservoir comprising a lower fluid carrying portion, an upper cover portion secured to the upper rim of said lower fluid carrying portion, and divider means dividing said reservoir into two reservoir sections, said divider means including two transversely extending intermediate walls spaced from each other to form a space therebetween and extending from one side wall of said reservoir to the other side wall of said reservoir, each of said intermediate walls having an opening therein, said openings being adjacent opposite side walls of said reservoir offset in a transverse direction from one another to inhibit the free flow of fluid from one section to another, wherein said intermediate walls extend from one side of one of said reservoir portions to the other side of the same reservoir portion and said divider means further including partition means extending from said other reservoir portion into engagement with said intermediate walls.
Claim 2
Dependent Claim
162 words
A reservoir for the master cylinder of a vehicle hydraulic brake system, said reservoir comprising a lower fluid carrying portion, an upper cover portion secured to the upper rim of said lower fluid carrying portion, and divider means dividing said reservoir into two reservoir sections, said divider means including two transversely extending intermediate walls spaced from each other to form a space therebetween and extending from one side wall of said reservoir to the other side wall of said reservoir, each of said intermediate walls having an opening therein, said openings being adjacent opposite side walls of said reservoir offset in a transverse direction from one another to inhibit the free flow of fluid from one section to another, wherein said intermediate walls extend from one side of one of said reservoir portions to the other side of the same reservoir portion and said divider means further including partition means extending from said other reservoir portion into engagement with said intermediate walls.
Claim 3
Dependent Claim
25 words
A reservoir as set forth in claim 1 wherein said openings are located in said intermediate walls of the juncture thereof with said partition means.
References Cited (Backward Citations)
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US3051453A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-02 | 1982-10-02 | 1983-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-02 | 1986-10-02 | 1987-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-02 | 1990-10-02 | 1991-04-03 | $7700.00 | Window Closed / Lapsed |